| 摘要 |
Through holes (2) are bored in given positions of a disc enclosure (101), and sealing members (1) having threaded holes (6) in which screw members (3) for fixing external components can be driven are provided. The through holes (2) are sealed by the sealing members (1), and a printed circuit board (116) and other external components are mounted on the outer surface of the disc enclosure (101) by screwing the screw members (3) into the threaded holes (6). Thus, it is possible to prevent dust particles from entering the interior of the disc enclosure, the external components can be fixed to the disc enclosure (101) easily without increasing the manufacturing cost due to the increased number of machining steps, and without causing the device to be larger.
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